# 练习题：类型转换
i = 10
j = float(i) # 10.0
print(type(i)) # int
print(type(j)) # float

i = j + 1 # 11.0
print(type(i)) # float
print(type(j)) # float

print(i) # 11.0
print(int(i)) # 11
print(type(i)) # float
